(average .(square ..(gradient ...(saturation-from-rgb ....(theta [0.1249 0.8412 -1.7827 -1.8186])))) .(dot ..(square ...(max-component ....(adjust-hsl .....(height-normal pos) .....(height turbulence)))) ..(vsqrt ...(blue-from-hsl ....(vsin .....(lightness-from-rgb [2.683 -1.718 -1.2339]))))))